The modulated spectrum is also interesting.
被调制频谱也很有趣。
This is a single sideband modulation source, for the signal and the signal has been modulated spectrum.
说明：这是单边带调制源码，求消息信号和已调信号的频谱。
It was found that the transmission spectrum of the filter is the cosine function modulated reflection spectrum of the fiber grating.
结果表明该滤波器的透射光谱是余弦函数调制后的光纤光栅反射光谱。
The fault is diagnosed by extracting the fault feature component from the frequency spectrum of the modulated signal.
通过对调制信号作谱分析，以其频谱中是否存在某种故障的特征频率分量来诊断有无该种故障。
Adopting this technique, the spectrum quality of modulated noise may be approached to the fullest extent of the directly amplified narrow white noise.
采用该技术使调制后的窄带噪声谱质量在最大程度上逼近直放式窄带白噪声。
It is shown that the wavelength modulated reflective spectrum is essentially the first derivative of dielectric function with respect to the energy.
分析表明波长调制反射谱的实质，是介电函数对能量的一级微商。
The transmission spectrum of multiple quantum well structure with thickness-modulated dual-period was studied by means of transfer matrix method.
采用传输矩阵方法，研究了一维双周期厚度调制的多量子阱的透射谱。
A new modulated lapped biorthogonal transform (MLBT) was introduced for narrowband interference suppression in spread spectrum communications.
引入一种新的调制重叠双正交变换(MLBT)用于扩频通信窄带干扰抑制。
The amplitude modulated wave with any modulation factor is discussed in this paper. Its expression, spectrum and formula of the modulation factor, modulation efficiency, SNR gain are given.
本文讨论了调幅系数为任意值的调幅波，给出了它的表达式、频谱及调幅系数、调制效率和信噪比增益的计算公式。
Three features parameters derived from the instantaneous amplitude, instantaneous phase, instantaneous frequency and power spectrum of analogue modulated signals are presented in this article.
首先介绍从信号幅度、相位、频率及功率谱等特性中提取的三种特征参数，应用这三种参数采用人工神经网络对模拟调制信号进行了识别。
Giving concrete digital-modulated form, the mean power spectrum density of the signals discussed can be obtained in this way. The calculation can be done on computers.
给定具体的数字调角形式，用这种方法可在计算机上计算所给信号的平均功率谱密度。
The spread spectrum (SS) signal is modulated by high-rate pseudo noise code, and belongs to typically periodic signal.
被高速伪随机码调制的扩频信号，其伪随机码是具有随机编码信号特征的周期信号。
On the basis of analyzing of idea of time varying spectral whitening, the paper presented a simple, stable and very efficient spectrum modulated method.
本文在对以往的方法进行分析的基础上，借助于时变谱白化的思想，提出了一种简单、稳定且十分有效的频谱调制方法。
Spectrum of the amplitude-modulated wave is observed by a radio frequency spectrum analyzer and amplitude values of every spectrum are recorded at the upper sideband or lower sideband.
用射频频谱分析仪观测一个已调波的频谱成分，记录上边带或下边带中各条谱线的幅度值，从而可以根据有关算式计算出调制信号（音频信号）的失真度。
Results The CFV flow spectrum of mild TR group was similar to that of control group and was modulated by respiratory movement.
结果：轻度TR组血流频谱参数与正常组比较无显著意义。
The spectrum of amplitude modulated signal are two half magnitude spectrums of base band signal positive and negative shifted by a carrier or R. F. frequency.
调幅讯号之频谱为一半强度基频讯号之频谱分别正负位移一射频或载波之频率。
In direct sequence spread spectrum communication system, enemy is assumed to detect whole PN sequence chip by chip and a modulated retransmitted interference is created.
在直接序列扩频通信系统中，假设敌方能够逐个比特地检测到整个PN序列，并产生一个调制的转发干扰。
The power density spectrum of an inner-phase-modulated optical fiber resonator is analyzed theoretically and experimentally, which is valid for any source coherence time.
从理论上详细分析了光纤环形腔有内相位调制时的输出光电流功率谱密度函数，该理论对任意相干长度的输入激光光源都是有效的。
The genes whose expression were modulated by the virus cover a broad spectrum of biological processes, including stress response, nucleic acid metabolism, proteinmetabolism, and many others.
表达丰度发生改变的基因包括了胁迫回应，核酸代谢和蛋白质代澍等多个方面。
The genes whose expression were modulated by the virus cover a broad spectrum of biological processes, including stress response, nucleic acid metabolism, proteinmetabolism, and many others.
表达丰度发生改变的基因包括了胁迫回应，核酸代谢和蛋白质代澍等多个方面。
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